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Guidance and Templates: System Conversion for Clean Alternative Fuels to be Used on Intermediate Age and Outside Useful Life Vehicles or Engines

Use the following guidance and templates to submit compliance information for clean alternative fuels. This includes data submission for intermediate age and outside useful life conversions.

Template for Light Duty Conversion of Intermediate Age System (xls) (December 2012, EPA Form Number 5800-258)
Template for Light Duty Conversion of Outside Useful Life System (xls) (December 2012, EPA Form Number 5900-257)
Template for Heavy Duty Conversion of Intermediate Age System (xls) (June 2014, EPA Form Number 5900-338)
Template for Heavy Duty Conversion of Outside Useful Life System (xls) ( December 2012, Form Number 5900-259)

Instructions for Submitting Conversion Demonstration Information for Clean Alternative Fuels (pdf) (June 2014, EPA-420-B-14-019a)